/* モーダル表示中は背景スクロールを止める */
body.modal-open {
    overflow: hidden;
}

body.modal-image-viewer-open {
    overflow: hidden;
}

/* モーダルの初期状態と中央揃えの仕組み */
.modal {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.25s ease;
    z-index: 100;
}

:root {
    --modal-dialog-width: min(1040px, 90vw);
    --modal-dialog-height: min(90vh, 860px);
}

/* 表示フラグが付くと実際に見えるようにする */
.modal:not(.hidden) {
    visibility: visible;
    opacity: 1;
}

/* モーダル後ろの半透明なオーバーレイ */
.modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.35);
}

/* モーダル本体のサイズや余白を調整 */
.modal__dialog {
    position: relative;
    max-width: var(--modal-dialog-width);
    max-height: var(--modal-dialog-height);
    background: var(--surface-strong);
    border-radius: 14px;
    padding: clamp(1.8rem, 4vw, 2.7rem);
    border: 1px solid rgba(195, 210, 238, 0.6);
    box-shadow: 0 42px 72px rgba(15, 42, 95, 0.18);
    z-index: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* モーダル右上の閉じるボタン見た目と操作性 */
.modal__close {
    position: absolute;
    top: 1.1rem;
    right: 1.35rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: rgba(37, 99, 235, 0.12);
    color: var(--accent);
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 5;
    transition: background 0.2s ease, transform 0.2s ease;
}

/* ボタンにカーソルを合わせたときのフィードバック */
.modal__close:hover {
    background: rgba(37, 99, 235, 0.22);
    transform: scale(1.05);
}

/* モーダル内のコンテンツを縦に並べてスクロール可能に */
.modal__content {
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    position: relative;
    padding-bottom: 5rem;
    scrollbar-gutter: stable;
    /* コンテンツが多いときはモーダル内だけスクロールさせる */
}

/* モーダル内のタイトル文字 */
.modal__catchphrase {
    margin: 0;
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 700;
    color: var(--text-primary);
}

/* サービス名など強調したい行のスタイル */
.modal__service {
    margin: 0;
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.6;
    white-space: pre-line;
    /* テキスト内の改行(\n)をそのまま表示する */
}

/* 小見出しごとに情報をまとめるコンテナ */
.modal__section {
    display: grid;
    gap: 0.8rem;
}

.modal__section--company {
    gap: 0;
}

/* セクションタイトルは小さめ大文字で整列 */
.modal__section h3 {
    margin: 0;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
}

/* 本文テキストは読みやすい行間に */
.modal__text {
    margin: 0;
    line-height: 1.8;
    color: var(--text-secondary);
    white-space: pre-line;
    /* テキスト内の改行(\n)をそのまま表示する */
}

/* 情報が無い場合の代替テキスト */
.modal__placeholder {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* お問い合わせ導線はスクロール外の右肩へ小さく固定 */
.modal-contact-floating {
    position: absolute;
    bottom: 1rem;
    right: 1.35rem;
    display: grid;
    justify-items: end;
    gap: 0.55rem;
    width: min(210px, calc(100% - 2.7rem));
    z-index: 3;
}

.modal-contact__link {
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    width: fit-content;
    min-height: 56px;
    gap: 0.4rem;
    padding: 0.78rem 1rem 0.82rem;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(248, 113, 113, 0.68), rgba(185, 28, 28, 0.78));
    backdrop-filter: blur(16px) saturate(160%);
    -webkit-backdrop-filter: blur(16px) saturate(160%);
    border: 1px solid rgba(255, 255, 255, 0.26);
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.94rem;
    letter-spacing: 0.01em;
    line-height: 1.3;
    white-space: pre-line;
    text-align: left;
    box-shadow: 0 14px 28px rgba(185, 28, 28, 0.24);
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.modal-contact__link:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 32px rgba(185, 28, 28, 0.3);
    filter: brightness(1.03);
}

.modal-contact__link:focus-visible,
.modal-contact__qr-link:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

.modal-contact__qr-link {
    position: absolute;
    top: auto;
    bottom: calc(100% + 0.6rem);
    right: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(248, 113, 113, 0.3);
    text-decoration: none;
    box-shadow: 0 16px 28px rgba(127, 29, 29, 0.2);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(8px) scale(0.96);
    transform-origin: bottom right;
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease, box-shadow 0.2s ease;
}

.modal-contact__qr-link:hover {
    transform: translateY(0) scale(1);
    box-shadow: 0 20px 32px rgba(127, 29, 29, 0.24);
}

.modal-contact__qr-image {
    display: block;
    width: min(24vw, 112px);
    max-width: 112px;
    height: auto;
    border-radius: 10px;
    box-shadow: none;
}

/* 関連リンクのリストは余白なしの縦並び */
/* 用語と説明を並べる定義リスト */
.modal__list {
    margin: 0;
    display: grid;
    gap: 1rem;
}

/* 用語部分は小見出しっぽく見せる */
.modal__list dt {
    margin-bottom: 0.25rem;
    color: var(--text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* 説明テキストは改行せず読みやすく */
.modal__list dd {
    margin: 0;
    line-height: 1.7;
    color: var(--text-primary);
    word-break: break-word;
}

.modal__accordion-item {
    display: grid;
    gap: 0.1rem;
}

.modal__accordion-item > dt {
    margin-bottom: 0;
}

.modal-links-toggle {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.9rem 1rem;
    border: 1px solid rgba(37, 99, 235, 0.22);
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(240, 244, 255, 0.98), rgba(226, 232, 240, 0.88));
    box-shadow: 0 10px 24px rgba(37, 99, 235, 0.1);
    cursor: pointer;
    text-align: left;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.modal-links-toggle:hover {
    transform: translateY(-1px);
    border-color: rgba(37, 99, 235, 0.32);
    box-shadow: 0 14px 28px rgba(37, 99, 235, 0.14);
    background: linear-gradient(135deg, rgba(247, 250, 255, 1), rgba(226, 232, 240, 0.94));
}

.modal-links-toggle__label {
    color: var(--accent);
    font-size: 0.98rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    line-height: 1.5;
}

.modal-links-toggle__icon {
    width: 0.72rem;
    height: 0.72rem;
    border-right: 2px solid rgba(37, 99, 235, 0.7);
    border-bottom: 2px solid rgba(37, 99, 235, 0.7);
    transform: rotate(45deg);
    transition: transform 0.25s ease;
    flex: 0 0 auto;
}

.modal-links-toggle[aria-expanded="true"] .modal-links-toggle__icon {
    transform: rotate(225deg);
}

.modal-links-toggle:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
}

.modal-links-panel {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.38s ease, opacity 0.22s ease;
}

.modal-links-panel.is-open {
    opacity: 1;
}

.modal-links-panel__inner {
    display: grid;
    gap: 0.95rem;
    padding-top: 0.3rem;
}

.modal-links-details {
    margin: 0;
    display: grid;
    gap: 0.85rem;
}

.modal-links-details__item {
    display: grid;
    gap: 0.25rem;
}

.modal-links-details__item dt {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.76rem;
    letter-spacing: 0.06em;
}

.modal-links-details__item dd {
    margin: 0;
    line-height: 1.7;
    color: var(--text-primary);
    word-break: break-word;
}

.modal-links-details__item dd.is-empty {
    color: var(--text-muted);
}

.modal-links-details__item a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

.modal-links-details__item a:hover {
    text-decoration: underline;
}

.modal-links-notice {
    margin: 0;
    padding: 0.95rem 1rem;
    border-radius: 14px;
    border: 1px solid rgba(148, 163, 184, 0.24);
    border-left: 4px solid rgba(148, 163, 184, 0.55);
    background: linear-gradient(135deg, rgba(248, 250, 252, 0.94), rgba(241, 245, 249, 0.86));
    color: var(--text-secondary);
    font-size: 0.93rem;
    font-weight: 500;
    line-height: 1.8;
    letter-spacing: 0.01em;
}

/* モーダル内の画像を角丸＋影で表示 */
.modal__section img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 12px 24px rgba(59, 130, 246, 0.18);
}

.modal-contact__qr-image {
    box-shadow: none;
}

/* 拡大画像ビューア本体 */
.modal-image-viewer {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    padding: clamp(1rem, 5vw, 3rem);
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(2px);
    z-index: 3000;
}

.modal-image-viewer:not(.hidden) {
    display: flex;
}

.modal-image-viewer__dialog {
    position: relative;
    max-width: min(90vw, 1040px);
    max-height: min(90vh, 90vh);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    outline: none;
}

.modal-image-viewer__image {
    width: 100%;
    height: auto;
    max-height: min(80vh, 840px);
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 20px 45px rgba(15, 23, 42, 0.45);
}

.modal-image-viewer__close {
    position: absolute;
    top: clamp(0.75rem, 2vw, 1.25rem);
    right: clamp(0.75rem, 2vw, 1.25rem);
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.45);
    color: #fff;
    font-size: 1.8rem;
    line-height: 1;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
}

.modal-image-viewer__close:hover,
.modal-image-viewer__close:focus-visible {
    background: rgba(37, 99, 235, 0.85);
    transform: scale(1.05);
}

.modal-image-viewer__close:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

.modal__gallery {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* メイン画像の表示枠と背景装飾 */
.modal-gallery__viewport {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface);
    border-radius: 12px;
    padding: clamp(0.75rem, 2vw, 1.25rem);
    box-shadow: inset 0 0 0 1px rgba(37, 99, 235, 0.12);
    min-height: clamp(220px, 38vw, 460px);
}

/* フォーカス移動時の視認性向上 */
.modal-gallery__viewport:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
}

/* メイン画像のセンタリングと最大サイズ */
.modal-gallery__stage {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-gallery__image {
    width: 100%;
    max-height: clamp(200px, 36vw, 460px);
    object-fit: contain;
    cursor: zoom-in;
    outline: none;
    border-radius: 10px;
    background: rgba(15, 29, 64, 0.04);
    opacity: 1;
    transition: opacity 0.5s ease;
}

/* フェードイン・フェードアウト制御 */
.modal-gallery__image:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
}

.modal-gallery__image.is-fading {
    opacity: 0;
}

/* 前後ナビゲーションボタンのスタイル */
.modal-gallery__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 2.75rem;
    height: 2.75rem;
    border: none;
    border-radius: 999px;
    background: rgba(15, 29, 64, 0.55);
    color: #fff;
    font-size: 1.4rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease, transform 0.2s ease;
}

.modal-gallery__nav:hover,
.modal-gallery__nav:focus-visible {
    background: rgba(37, 99, 235, 0.88);
    transform: translateY(-50%) scale(1.05);
}

.modal-gallery__nav--prev {
    left: clamp(0.5rem, 2vw, 1rem);
}

.modal-gallery__nav--next {
    right: clamp(0.5rem, 2vw, 1rem);
}

/* サムネイル一覧のレイアウト */
.modal-gallery__thumbnails {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(56px, 1fr));
    gap: 0.5rem;
}

/* サムネイルボタン（小さめ表示）とホバー・選択演出 */
.modal-gallery__thumbnail {
    position: relative;
    padding: 0;
    border: none;
    background: transparent;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4 / 3;
    max-width: 72px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.modal-gallery__thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.modal-gallery__thumbnail.is-active {
    box-shadow: 0 0 0 2px var(--accent);
    transform: translateY(-2px);
}

.modal-gallery__thumbnail:not(.is-active):hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 24px rgba(37, 99, 235, 0.18);
}

.modal-gallery__thumbnail:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

@media (max-width: 720px) {
    .modal__dialog {
        padding: 1rem 1rem 1.15rem;
        border-radius: 12px;
    }

    .modal__content {
        margin-right: 0.7rem;
        padding-bottom: 5.35rem;
    }

    .modal-contact-floating {
        position: absolute;
        right: 1rem;
        bottom: 0.9rem;
        width: min(176px, calc(100% - 2rem));
        margin: 0;
    }

    .modal-contact__qr-link {
        display: none;
    }
}

/* 大きな画面ではモーダルをより広く表示 */
@media (min-width: 1280px) {
    :root {
        --modal-dialog-width: min(1160px, calc(100vw - 2rem));
    }

    .modal__dialog {
        padding: clamp(2.2rem, 4vw, 3rem);
    }
}

@media (min-width: 861px) {
    .modal__close {
        position: absolute;
        top: 0.95rem;
        right: 1.05rem;
        z-index: 4;
    }

    .modal-contact-floating {
        position: absolute;
        right: 4.15rem;
        bottom: 1.35rem;
        width: 180px;
    }

    .modal__content {
        margin-right: 0;
        padding-right: 0.35rem;
        padding-bottom: 5.3rem;
    }
}

@media (hover: hover) and (pointer: fine) and (min-width: 721px) {
    .modal-contact-floating:hover .modal-contact__qr-link,
    .modal-contact-floating:focus-within .modal-contact__qr-link {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0) scale(1);
    }
}